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56154-85-9

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56154-85-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56154-85-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,1,5 and 4 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 56154-85:
(7*5)+(6*6)+(5*1)+(4*5)+(3*4)+(2*8)+(1*5)=129
129 % 10 = 9
So 56154-85-9 is a valid CAS Registry Number.

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